NF type non-contact backstop (hereinafter referred to as backstop) is a high-speed anti reversal device. It cleverly uses the centrifugal force of the special-shaped block and its special geometric relationship with the diameter of the inner and outer rings, so as to realize the non-contact state, no wear and tear and long service life when it operates in the positive direction. The backstop is an anti backstop device installed on the high-speed shaft of the reducer, which has the advantages of large backstop moment, high reliability, light weight, easy release, convenient installation, etc. It is widely used in belt conveyor, bucket elevator, scraper conveyor and other equipment with backstop requirements. The technical performance of the backstop manufactured by our company fully conforms to JB / t9015-1999.

In order to meet the needs of customers, the company produces a variety of installation forms. NFF type anti rotation bearing, NFZ type with brake wheel, NFL type with elastic coupling, and special non-standard connection NFZ. Our company can design for free.

Types:

NF10、NF16、NF25、NF40、NF63、NF80、NF100、NF125、NF160、NF200、NF250